Newly discovered African fossils lend a hand to suspicions that an ancient hominid outside our own genus, Homo, made and used stone and bone tools. Even with recovered foot fossils, Mongle’s team ...
Scientists have long linked the evolution of the human hand—unique for its lengthy opposable thumbs and dexterous fingers—to the rise of stone tools some 2.6 million years ago. These instruments, from ...
Your hand consists of your wrist, palm, and fingers. The wrist has many smaller bones and joints, allowing the hand to move in different directions. It also includes the distal ends of the forearm ...
Archaeologists found 1.5-million-year-old hand fossils belonging to an ape-like early human relative. The shape of the bones suggest that their owner, a species called Paranthropus boisei, was capable ...
Scientists have found a new hand bone from a human ancestor who roamed the earth in East Africa approximately 1.42 million years ago. The discovery of this bone is the earliest evidence of a modern ...
The thumb is one of five digits on each hand, but it has a different shape and function from the other digits. However, most medical guides refer to the thumb as a finger. Also known as the pollex or ...
The strength required to access the high calorie content of bone marrow may have played a key role in the evolution of the human hand and explain why primates hands are not like ours, research has ...
We use our hands for almost every type of activity. But hands are complex, and when a part of them gets damaged, it can affect the whole hand. A metacarpal fracture is a break in one of the hand bones ...
Behold the wondrous complexity of the human hand. Twenty-seven bones working in concert with muscles, tendons, and ligaments extending up the forearm to produce a range of motions that gave us ...